buscar_codigo
Search truck fault code / Buscar código
Search DERATE's 56-code heavy-truck library by SPN/FMI, P-code or free text. Returns severity, derates yes/no, meaning, part and estimated part-price range, and the page URL. / Busca en la biblioteca de códigos de DERATE.
輸入參數langquery必填
es_seguro_manejar
Is it safe to drive? / ¿Es seguro manejar?
Safe-to-drive verdict (stop / service_soon / info) for a truck fault code, from DERATE's library only. Unknown codes return 'unknown'. / Veredicto de si es seguro seguir manejando.
輸入參數code必填lang
retiros_de_camion
Truck recalls / Retiros de camión
How to check heavy-truck safety recalls (NHTSA-based), with per-make source links for Freightliner, Volvo, Kenworth, Peterbilt, International, Mack and Western Star. / Cómo revisar retiros de seguridad.
輸入參數langmakelimitquery
get_data_notes
Data quality notes / Notas de calidad de datos
DERATE dataset notes: code count, sources, known gaps, license (CC BY 4.0), how to cite and download URLs. / Notas de calidad, licencia y cómo citar.
輸入參數lang
search_guides
Search guides and news / Buscar guías y noticias
Search DERATE's truck-driver guides and trucking news (derate, DEF, emissions, recalls, enforcement, market). Returns title, quick answer and derate.app URL. / Busca en las guías y noticias de DERATE.
輸入參數langquery必填
get_guide
Get a guide or news article / Ver guía o noticia
Full text (markdown) of one DERATE guide or news article by slug, with sources and the derate.app URL to cite. / Texto completo de una guía o noticia.
輸入參數langslug必填
get_truck_fault_code
Get truck fault code
Look up a diesel truck fault code (J1939 SPN/FMI such as 'SPN 3251 FMI 0', or an OBD-II code such as 'P2002') in DERATE's public fault-code library. Returns what the code means, its severity, whether it is safe to keep driving, probable causes, the recommended tests, and the canonical URL of the public page for that code. Works without any account.
輸入參數code必填langengine_family
interpret_derate
Interpret an engine derate
Explain a diesel truck engine derate or power-loss symptom described in plain language (for example 'DEF light on and truck limited to 55 mph'). Returns the most likely cause, how urgent it is, the immediate action to take, and matching public fault-code pages. This is the free public interpretation; the full guided diagnosis with tests and a work order runs in the DERATE app.
輸入參數codelangsymptom必填engine_family
search_fault_code_library
Search the fault code library
Full-text search over DERATE's public diesel truck fault-code library by code, system, dashboard light or symptom words. Returns a list of matching entries with code, title, severity, system and the canonical public URL.
輸入參數langlimitquery必填severity
list_supported_engine_families
List supported engine families
List the diesel truck engine families and code protocols DERATE interprets (J1939 SPN/FMI and OBD-II), so an agent knows whether a given truck is covered before looking up a code.
無需輸入參數。
get_pricing
Get DERATE pricing
List DERATE's plans and prices in USD. The app is a free download; plans are purchased inside the iOS/Android app (App Store / Google Play). Monthly Driver and Shop plans include a 7-day free trial for new subscribers.
無需輸入參數。
get_download_links
Get DERATE download links
Return the official App Store and Google Play links for the DERATE native app (iOS and Android). DERATE runs only as a mobile app.
無需輸入參數。
get_diagnosis
Get diagnosis
Return the full DERATE demo diagnosis for a truck: verdict (STOP/CAUTION/CLEAR), derate countdown, every fault code and the work order summary.
輸入參數lang
list_fault_codes
List fault codes
List the fault codes (SPN/FMI) in the current DERATE diagnosis with severity, system, fault type and whether they are a root cause.
輸入參數lang
explain_fault_code
Explain fault code
Explain a truck fault code or symptom in DERATE terms: plain-language meaning, severity, probable causes, recommended tests with expected values, repair steps and cost estimate.
輸入參數langquery必填